refactor: replace custom CRM with Monica fork

app/Models/Contact/Conversation.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace App\Models\Contact;
+
+use App\Traits\HasUuid;
+use App\Models\Account\Account;
+use App\Models\ModelBindingHasher as Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Conversation extends Model
+{
+    use HasUuid;
+
+    /**
+     * The attributes that aren't mass assignable.
+     *
+     * @var array<string>|bool
+     */
+    protected $guarded = ['id'];
+
+    /**
+     * The attributes that should be mutated to dates.
+     *
+     * @var array<string>
+     */
+    protected $dates = ['happened_at'];
+
+    /**
+     * Get the account record associated with the conversation.
+     *
+     * @return BelongsTo
+     */
+    public function account()
+    {
+        return $this->belongsTo(Account::class);
+    }
+
+    /**
+     * Get the contact record associated with the conversation.
+     *
+     * @return BelongsTo
+     */
+    public function contact()
+    {
+        return $this->belongsTo(Contact::class);
+    }
+
+    /**
+     * Get the contact field type record associated with the conversation.
+     *
+     * @return BelongsTo
+     */
+    public function contactFieldType()
+    {
+        return $this->belongsTo(ContactFieldType::class);
+    }
+
+    /**
+     * Get the Message records associated with the conversation.
+     *
+     * @return HasMany
+     */
+    public function messages()
+    {
+        return $this->hasMany(Message::class);
+    }
+}